Earthquake with magnitude of ML 0.4 on date 25-03-2022 and time 12:28:08 (UTC) in region Chiomonte (TO)

A magnitude ML 0.4 earthquake occured in region: Chiomonte (TO), on

  • 25-03-2022 12:28:08 (UTC)
  • 25-03-2022 13:28:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.1200, 6.9860 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Chiomonte TO 0 916 916
Gravere TO 3 692 1608
Giaglione TO 3 631 2239
Venaus TO 5 907 3146
Exilles TO 5 273 3419
Susa TO 5 6466 9885
Mompantero TO 6 659 10544
Meana di Susa TO 7 826 11370
Novalesa TO 8 534 11904
Usseaux TO 9 186 12090
Salbertrand TO 10 596 12686
Moncenisio TO 10 36 12722
Mattie TO 10 687 13409
Fenestrelle TO 11 544 13953
Pragelato TO 12 776 14729
Bussoleno TO 13 6094 20823
Sauze d'Oulx TO 14 1109 21932
Chianocco TO 15 1675 23607
San Giorio di Susa TO 15 1024 24631
Oulx TO 16 3307 27938
Bruzolo TO 17 1524 29462
Roure TO 17 848 30310
San Didero TO 18 551 30861
Massello TO 19 51 30912
Villar Focchiardo TO 19 2042 32954
Sestriere TO 20 929 33883

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km W of Torino (890529 inhabitants)
57 Km W of Moncalieri (57294 inhabitants)
92 Km NW of Cuneo (56081 inhabitants)
99 Km W of Asti (76202 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 0.4 2022-03-25
12:28:08
45.1202 6.9862 10 2022-07-08
12:33:59
Bollettino Sismico Italiano INGV 104912911
Reviewed
Rev100
Md 1.3 2022-03-25
12:28:08
45.1213 7.029 4 2022-03-25
13:03:49
Sala Sismica INGV-Roma 102364721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-25 12:28:08 ± 0.22
Latitude 45.1202 ± 0.0126
Longitude 6.9862 ± 0.0204
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 104912911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1750
Semi-minor axis of confidence ellipse (meter) 1200
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 306
Circular confidence region, given by single value of horizontal uncertainty (meter) 1750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.53
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63132
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 104912911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-20 14:24:10

Md:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 5
Type of magnitude Md
Reference to an origin 102364721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-25 13:03:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.MUGIO.HHZ. 2022-03-25T12:28:40.83 3.0 positive manual Pg 1.75 0
GU.CIRO.HHE. 2022-03-25T12:28:29.58 0.6 undecidable manual S 40 70.0743 50 -0.35 45
GU.PZZ.HHE. 2022-03-25T12:28:28.94 0.6 undecidable manual S 171 68.8755 50 -0.66 41
GU.CIRO.HHE. 2022-03-25T12:28:21.81 0.6 undecidable manual P 40 70.0743 50 0.92 36
GU.PZZ.HHE. 2022-03-25T12:28:21.90 0.1 undecidable manual P 171 68.8755 50 1.21 63
GU.BHB.HHZ. 2022-03-25T12:28:20.31 0.6 undecidable manual S 145 38.3283 50 -1.15 35
GU.LSD.HHZ. 2022-03-25T12:28:20.81 0.6 undecidable manual S 17 39.3273 50 -0.93 38
GU.RRL.HHZ. 2022-03-25T12:28:18.01 0.6 undecidable manual S 215 26.9508 50 -0.4 48
MN.BNI.HHZ. 2022-03-25T12:28:17.44 0.3 undecidable manual S 253 25.2525 112 -0.52 70
GU.LSD.HHZ. 2022-03-25T12:28:16.23 0.1 undecidable manual P 17 39.3273 50 0.08 100
GU.BHB.HHZ. 2022-03-25T12:28:16.07 0.3 undecidable manual P 145 38.3283 50 0.08 75
MN.BNI.HHZ. 2022-03-25T12:28:14.46 0.3 undecidable manual P 253 25.2525 112 0.49 70
GU.RRL.HHZ. 2022-03-25T12:28:14.43 0.3 undecidable manual P 215 26.9508 50 0.2 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BHB.HHN. ML:0.4 0.000010532059 0.1216 AML other m 2022-03-25T12:28:21.57
GU.LSD.HHE. ML:0.6 0.000015119155 0.1408 AML other m 2022-03-25T12:28:20.92
GU.LSD.HHN. ML:0.2 0.0000074803875 0.1408 AML other m 2022-03-25T12:28:16.34
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download